<template>
	<view>
		<view class="uni-header">
			<uni-stat-breadcrumb class="uni-stat-breadcrumb-on-phone" />
			<view class="uni-group">
				<button class="uni-button" type="primary" size="mini" @click="navigateTo('./add')">{{ $t('common.button.add') }}</button>
				<button class="uni-button" type="warn" size="mini" :disabled="!selectedIndexs.length" @click="delTable">{{ $t('common.button.batchDelete') }}</button>
				<input class="uni-search" type="text" v-model="query" @confirm="search" :placeholder="$t('common.placeholder.query')" />
				<button class="uni-button hide-on-phone" type="default" size="mini" @click="search">{{ $t('common.button.search') }}</button>
			</view>
		</view>
		<view class="uni-container">
			<unicloud-db
				ref="udb"
				collection="unit"
				:options="options"
				:where="where"
				page-data="replace"
				:orderby="orderby"
				:getcount="true"
				:page-size="options.pageSize"
				:page-current="options.pageCurrent"
				v-slot:default="{ data, pagination, loading, error, options }"
			>
				<uni-table ref="table" :loading="loading" :emptyText="error.message || '没有更多数据'" border stripe type="selection" @selection-change="selectionChange">
					<uni-tr>
						<uni-th align="center">序号</uni-th>
						<uni-th align="center">单位名称</uni-th>
						<uni-th align="center">单位地址</uni-th>
						<uni-th align="center">单位电话</uni-th>
						<uni-th align="center">备注</uni-th>
						<uni-th align="center">创建时间</uni-th>
						<uni-th align="center">操作</uni-th>
					</uni-tr>
					<uni-tr v-for="(item, index) in data" :key="index">
						<uni-td align="center" width="50">{{ index + 1 }}</uni-td>
						<uni-td align="center" width="120">{{ item.name }}</uni-td>
						<uni-td align="center">{{ item.address}}</uni-td>
						<uni-td align="center">{{ item.tel }}</uni-td>
						<uni-td align="center">{{ item.notes }}</uni-td>
						<uni-td align="center">{{ $formatDate(item.create_date) }}</uni-td>
						<uni-td align="center">
							<view class="uni-group">
								<button @click="navigateTo('./edit?id=' + item._id, false)" class="uni-button" size="mini" type="primary">{{ $t('common.button.edit') }}</button>
								<button @click="confirmDelete(item._id)" class="uni-button" size="mini" type="warn">{{ $t('common.button.delete') }}</button>
							</view>
						</uni-td>
					</uni-tr>
				</uni-table>
				<view class="uni-pagination-box">
					<uni-pagination show-icon :page-size="pagination.size" v-model="pagination.current" :total="pagination.count" @change="onPageChanged" />
				</view>
			</unicloud-db>
		</view>
	</view>
</template>

<script>
const db = uniCloud.database();
// 表查询配置
const dbOrderBy = 'unit desc'; // 排序字段
const dbSearchFields = ['name','tel']; // 支持模糊搜索的字段列表
// 分页配置
const pageSize = 20;
const pageCurrent = 1;

export default {
	data() {
		return {
			collectionList: [],
			selectedIndexs: [],
			query: '',
			where: '',
			orderby: dbOrderBy,
			options: {
				pageSize,
				pageCurrent
			}
		};
	},
	onLoad() {},
	methods: {
		getWhere() {
			const query = this.query.trim();
			if (!query) {
				return '';
			}
			let queryRe;
			try {
				queryRe = new RegExp(query, 'i');
			} catch (err) {
				uni.showToast({
					title: '请勿输入\等不满足正则格式的符号',
					icon: 'none'
				});
				return;
			}
			return dbSearchFields.map(name => queryRe + '.test(' + name + ')').join(' || ');
		},
		search() {
			console.log(2323);
			const newWhere = this.getWhere();
			const isSameWhere = newWhere === this.where;
			this.where = newWhere;
			if (isSameWhere) {
				// 相同条件时，手动强制刷新
				this.loadData();
			}
		},
		loadData(clear = true) {
			this.$refs.udb.loadData({
				clear
			});
		},
		onPageChanged(e) {
			this.selectedIndexs.length = 0;
			this.$refs.table.clearSelection();
			this.$refs.udb.loadData({
				current: e.current
			});
		},
		navigateTo(url) {
			uni.navigateTo({
				url,
				events: {
					refreshData: () => {
						this.loadData();
					}
				}
			});
		},
		// 多选处理
		selectedItems() {
			var dataList = this.$refs.udb.dataList;
			console.log(dataList);
			return this.selectedIndexs.map(i => dataList[i]._id);
		},
		// 批量删除
		delTable() {
			this.$refs.udb.remove(this.selectedItems(), {
				success: res => {
					this.$refs.table.clearSelection();
				}
			});
		},
		// 多选
		selectionChange(e) {
			this.selectedIndexs = e.detail.index;
		},
		confirmDelete(id) {
			this.$refs.udb.remove(id, {
				success: res => {
					this.$refs.table.clearSelection();
				}
			});
		}
	}
};
</script>
<style></style>
